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University of New South Wales

1. Naghshin, Vahid. Modeling and Analysis of Wireless Communications Networks: Multi-tier Cellular and Ad Hoc Networks.

Degree: Engineering & Information Technology, 2017, University of New South Wales

Due to the proliferation of data-hungry applications in smartphones and other personal mobile devices, the demand for higher data rate is increasing. This phenomenon has a huge impact on architecture of wireless cellular networks. Based on this fact, the architecture of wireless cellular networks is transforming from voice-centric and centrally-controlled to the data-centric and distributed, in order to address the massive data demand of users.One efficient approach to implement the data-centric and distributed wireless cellular networks is wireless heterogeneous cellular networks (HCN), where a multitude of radio access points with different technologies and platforms can interoperate flexibly and intelligently. However, augmenting the conventional wireless cellular networks with access points of different characteristics will introduce new challenges in integrating different access points to reach seamless connectivity.In order to address the broad range of challenges we face in HCNs, the need for efficient and accurate model to capture the main features of wireless networks is paramount. The proposed model should be general but not too complicated to be difficult to gain insight. Stochastic geometry has been proven to be a powerful mathematical tool in modeling wireless networks with irregular topologies. In this work, we incorporate principles from stochastic geometry by modeling the wireless networks via using point processes such as Poisson point process (PPP) and Binomial point process (BPP).To be more specific, we have exploited the PPP model in modeling wireless HCNs, while BPP model is used to model wireless ad hoc networks.In this thesis, we first analyze the performance of finite wireless networks in the context of wireless ad hoc networks and wireless HCNs. The significance of this part is emphasized by this fact that, in most practical scenarios the number of wireless nodes and access points is predefined and fixed and they are deployed in a finite region. The network performance is measured from different aspects such as interference distribution, outage probability, throughput, capacity, and cell association area. In all of these scenarios, we incorporate signal-to-interference-plus-noise ratio (SINR) metrics to measure the performance of different multiple access channel schemes and association protocols.In the second part of this thesis, we focus on wireless HCNs using the PPP model where the number of nodes and size of the deployed region can be arbitrarily large. Most of previous works focus on the case that only downlink or uplink (not both) transmissions are possible at a given channel spectrum and instant of time. In this work, we derive the network performance for decoupled association and concurrent uplink and downlink transmissions. Furthermore, different traffic patterns are studied to highlight its contribution on network performance.Finally, in the last part of the thesis, we consider the cellular-based machine type communication, where a massive number of machine type devices are… Advisors/Committee Members: Reed, Mark, Engineering & Information Technology, UNSW Canberra, UNSW, Aboutorab, Neda, Engineering & Information Technology, UNSW Canberra, UNSW, Pickering , Mark, Engineering & Information Technology, UNSW Canberra, UNSW.

Subjects/Keywords: Stochastic Geometry; Wireless communications; Wireless cellualr networks

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APA (6th Edition):

Naghshin, V. (2017). Modeling and Analysis of Wireless Communications Networks: Multi-tier Cellular and Ad Hoc Networks. (Doctoral Dissertation). University of New South Wales. Retrieved from http://handle.unsw.edu.au/1959.4/59019 ; https://unsworks.unsw.edu.au/fapi/datastream/unsworks:48292/SOURCE02?view=true

Chicago Manual of Style (16th Edition):

Naghshin, Vahid. “Modeling and Analysis of Wireless Communications Networks: Multi-tier Cellular and Ad Hoc Networks.” 2017. Doctoral Dissertation, University of New South Wales. Accessed November 17, 2019. http://handle.unsw.edu.au/1959.4/59019 ; https://unsworks.unsw.edu.au/fapi/datastream/unsworks:48292/SOURCE02?view=true.

MLA Handbook (7th Edition):

Naghshin, Vahid. “Modeling and Analysis of Wireless Communications Networks: Multi-tier Cellular and Ad Hoc Networks.” 2017. Web. 17 Nov 2019.

Vancouver:

Naghshin V. Modeling and Analysis of Wireless Communications Networks: Multi-tier Cellular and Ad Hoc Networks. [Internet] [Doctoral dissertation]. University of New South Wales; 2017. [cited 2019 Nov 17]. Available from: http://handle.unsw.edu.au/1959.4/59019 ; https://unsworks.unsw.edu.au/fapi/datastream/unsworks:48292/SOURCE02?view=true.

Council of Science Editors:

Naghshin V. Modeling and Analysis of Wireless Communications Networks: Multi-tier Cellular and Ad Hoc Networks. [Doctoral Dissertation]. University of New South Wales; 2017. Available from: http://handle.unsw.edu.au/1959.4/59019 ; https://unsworks.unsw.edu.au/fapi/datastream/unsworks:48292/SOURCE02?view=true

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